Portable energy storage box



FIG. 1 is a perspective view of a portable energy storage box showing mynew design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof;

FIG. 8 is a bottom view thereof;

FIG. 9 is a perspective view thereof showing the using state of thehandle being pulled outward; and,

FIG. 10 is another perspective view thereof showing the using state ofthe handle being pulled outward.

CLAIM The ornamental design for a portable energy storage box, as shownand described.